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 * and open the template in the editor.
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package eu.fsiebert.polytech.db.mediatheque.front.servlet;

import eu.fsiebert.polytech.db.mediatheque.entity.Adherent;
import eu.fsiebert.polytech.db.mediatheque.entity.CommandeDuJour;
import eu.fsiebert.polytech.db.mediatheque.session.AdherentFacade;
import eu.fsiebert.polytech.db.mediatheque.session.CommandeDuJourFacade;
import eu.fsiebert.polytech.db.mediatheque.session.ItemFacade;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author hocine
 */
@WebServlet(name = "Commande", urlPatterns = {"/Commande"})
public class Commande extends HttpServlet {

    @EJB
    private CommandeDuJourFacade facade;  
    @EJB
    private ItemFacade itemFacade;  
    @EJB
    private AdherentFacade adherentFacade; 
    
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        HttpSession session = request.getSession();
        String action         = (String) request.getParameter("action");
        
        if(action != null){
            if(action.equals("cancelCommande")){
                this.cancelCommande(request, response);
            }
            
            String redirect = request.getParameter("redirect");
            if(redirect == null) redirect = "index.jsp";
            request.getRequestDispatcher(redirect).forward(request, response);
        }else{
            CommandeDuJour commande = facade.findByUser((Adherent)session.getAttribute("user"));
            request.setAttribute("commande", commande);
            request.getRequestDispatcher("pages/commande.jsp").forward(request, response);
        }

        
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

    private void cancelCommande(HttpServletRequest request, HttpServletResponse response) {
           HttpSession session = request.getSession();
           Adherent user = (Adherent)session.getAttribute("user");
           
         Integer ref = Integer.parseInt(request.getParameter("commande"));
         user.setCommandeDuJourList(null);
         
         adherentFacade.merge(user);
    }
    
    
}
